Results 21 to 30 of about 4,484,014 (272)

A MODEL STUDY OF SMALL-SCALE WORLD MAP GENERALIZATION [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
With the globalization and rapid development every filed is taking an increasing interest in physical geography and human economics. There is a surging demand for small scale world map in large formats all over the world.
Y. Cheng   +6 more
doaj   +1 more source

A Parallel Computing Algorithm for the Emergency-Oriented Atmospheric Dispersion Model CALPUFF

open access: yesAtmosphere, 2022
The calculation of the three-dimensional atmospheric dispersion model is often time-consuming, which makes the model difficult to apply to the emergency field.
Dongou Yang, Mei Li, Hui Liu
doaj   +1 more source

Ontological Foundations for Geographic Information Science [PDF]

open access: yes, 2004
We propose as a UCGIS research priority the topic of “Ontological Foundations for Geographic Information.” Under this umbrella we unify several interrelated research subfields, each of which deals with different perspectives on geospatial ontologies and ...
Egenhofer, Max   +3 more
core   +1 more source

The Geographical Information System

open access: yesItalian Journal of Public Health, 2008
The Geographical Information System, normally called GIS, is a tool for representing spatial relationships and real processes with the help of a model. A GIS is a system of hardware, software and staff for collecting, managing, analysing and representing geospatial information.
Schweikart, Jürgen   +2 more
openaire   +2 more sources

Geographic information system for mapping public service location

open access: yesJournal of Physics: Conference Series, 2019
This article aims to analyze, design, and development public service location mapping system based on Geographic Information System (GIS). GIS technology is a useful information system used in making information systems for mapping areas and locations ...
Dede Kurniadi   +3 more
semanticscholar   +1 more source

SPATIOTEMPORAL VISUALIZATION OF TIME-SERIES SATELLITE-DERIVED CO2 FLUX DATA USING VOLUME RENDERING AND GPU-BASED INTERPOLATION ON A CLOUD-DRIVEN DIGITAL EARTH [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
The ocean carbon cycle has a significant influence on global climate, and is commonly evaluated using time-series satellite-derived CO2 flux data. Location-aware and globe-based visualization is an important technique for analyzing and presenting the ...
S. Wu   +9 more
doaj   +1 more source

A Novel Anti-Noise Fault Diagnosis Approach for Rolling Bearings Based on Convolutional Neural Network Fusing Frequency Domain Feature Matching Algorithm

open access: yesSensors, 2021
The development of deep learning provides a new research method for fault diagnosis. However, in the industrial field, the labeled samples are insufficient and the noise interference is strong so that raw data obtained by the sensor are occupied with ...
Xiangyu Zhou, Shanjun Mao, Mei Li
doaj   +1 more source

Knowledge-Based Detection and Assessment of Damaged Roads Using Post-Disaster High-Resolution Remote Sensing Image

open access: yesRemote Sensing, 2015
Road damage detection and assessment from high-resolution remote sensing image is critical for natural disaster investigation and disaster relief. In a disaster context, the pairing of pre-disaster and post-disaster road data for change detection and ...
Jianhua Wang   +6 more
doaj   +1 more source

A GIS Based Unsteady Network Model and System Applications for Intelligent Mine Ventilation

open access: yesDiscrete Dynamics in Nature and Society, 2020
With the development of state-of-the-art technology, such as the artificial intelligence and the Internet of Things, the construction of “intelligent mine” is being vigorously promoted, where the intelligent mine ventilation is one of the primary ...
Hui. Liu   +3 more
doaj   +1 more source

Evaluation of InSAR Tropospheric Correction by Using Efficient WRF Simulation with ERA5 for Initialization

open access: yesRemote Sensing, 2023
The delay caused by the troposphere is one of the major sources of errors limiting the accuracy of InSAR measurements. The tropospheric correction of InSAR measurements is important.
Qinghua Liu, Qiming Zeng, Zhiliang Zhang
doaj   +1 more source

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